Finding the Fourth Proportional to 19,398,549.84, 29,098,512.05 and 4,825,545.21
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Solution
The fourth proportional to 19,398,549.84, 29,098,512.05 and 4,825,545.21 is: 7,238,488.78
Step by Step Solution
- Step 1: Write the proportion equation
19,398,549.84 : 29,098,512.05 = 4,825,545.21 : x - Step 2: Convert to fraction form
19,398,549.84/29,098,512.05 = 4,825,545.21/x - Step 3: Cross multiply
19,398,549.84x = 29,098,512.05 × 4,825,545.21 - Step 4: Simplify right side
19,398,549.84x = 140,416,185,441,004.78 - Step 5: Solve for x
x = 140,416,185,441,004.78/19,398,549.84 - Step 6: Final answer
x = 7,238,488.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.